| 2.13 | Intangible Assets |
(1) Goodwill
Goodwill is measured as explained in Note 2.3 (1) and goodwill arising from acquisition of subsidiaries and business are included in intangible assets. Goodwill is tested annually for impairment and carried at cost less accumulated impairment losses.
(2) Intangible assets except goodwill
Intangible assets, except for goodwill, are initially recognized at its historical cost, and carried at cost less accumulated amortization and accumulated impairment losses. Membership rights (condominium membership and golf membership) and broadcast rights that have an indefinite useful life are not subject to amortization because there is no foreseeable limit to the period over which the assets are expected to be utilized. The Group amortizes intangible assets with a limited useful life using the straight-line method over the following periods:
| Estimated Useful Life | ||
|
Development costs |
5 – 6 years | |
|
Software |
6 years | |
|
Frequency usage rights |
5 –10 years | |
|
Others1 |
2 – 50 years |
| 1 | Membership rights (condominium membership and golf membership) and broadcast license included in others are classified as intangible assets with indefinite useful life. |